Apparatus for determining the alterations of the horizontal components of the force of gravity,申请号US19380234506-传众专利搜索

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发明名称	Apparatus for determining the alterations of the horizontal components of the force of gravity
摘要
申请公布号	US2217123(A)	申请公布日期	1940.10.08
申请号	US19380234506	申请日期	1938.10.11
申请人	BOLIDENS GRUVAKITIEBOLAG	发明人	MALMQVIST JOHAN DAVID
分类号	G01V7/00	主分类号	G01V7/00
代理机构		代理人
主权项
地址

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